<s>
eDirectory	B-Application
is	O
an	O
X.500-compatible	O
directory	O
service	O
software	O
product	O
from	O
NetIQ	B-Application
.	O
</s>
<s>
Previously	O
owned	O
by	O
Novell	O
,	O
the	O
product	O
has	O
also	O
been	O
known	O
as	O
Novell	B-Application
Directory	I-Application
Services	I-Application
(	O
NDS	B-Application
)	O
and	O
sometimes	O
referred	O
to	O
as	O
NetWare	B-Application
Directory	I-Application
Services	I-Application
.	O
</s>
<s>
NDS	B-Application
was	O
initially	O
released	O
by	O
Novell	O
in	O
1993	O
for	O
Netware	B-Operating_System
4	O
,	O
replacing	O
the	O
Netware	B-Operating_System
bindery	O
mechanism	O
used	O
in	O
previous	O
versions	O
,	O
for	O
centrally	O
managing	O
access	O
to	O
resources	O
on	O
multiple	O
servers	B-Application
and	O
computers	O
within	O
a	O
given	O
network	B-Architecture
.	O
</s>
<s>
eDirectory	B-Application
is	O
a	O
hierarchical	O
,	O
object	O
oriented	O
database	O
used	O
to	O
represent	O
certain	O
assets	O
in	O
an	O
organization	O
in	O
a	O
logical	O
tree	O
,	O
including	O
organizations	O
,	O
organizational	O
units	O
,	O
people	O
,	O
positions	O
,	O
servers	B-Application
,	O
volumes	O
,	O
workstations	O
,	O
applications	O
,	O
printers	O
,	O
services	O
,	O
and	O
groups	O
to	O
name	O
just	O
a	O
few	O
.	O
</s>
<s>
eDirectory	B-Application
uses	O
dynamic	O
rights	O
inheritance	O
,	O
which	O
allows	O
both	O
global	O
and	O
specific	O
access	O
controls	O
.	O
</s>
<s>
The	O
software	O
supports	O
partitioning	O
at	O
any	O
point	O
in	O
the	O
tree	O
,	O
as	O
well	O
as	O
replication	O
of	O
any	O
partition	O
to	O
any	O
number	O
of	O
servers	B-Application
.	O
</s>
<s>
Replication	O
between	O
servers	B-Application
occurs	O
periodically	O
using	O
deltas	O
of	O
the	O
objects	O
.	O
</s>
<s>
The	O
software	O
supports	O
referential	B-General_Concept
integrity	I-General_Concept
,	O
multi-master	B-Operating_System
replication	I-Operating_System
,	O
and	O
has	O
a	O
modular	O
authentication	O
architecture	O
.	O
</s>
<s>
It	O
can	O
be	O
accessed	O
via	O
LDAP	B-Protocol
,	O
DSML	B-General_Concept
,	O
SOAP	B-Application
,	O
ODBC	B-Application
,	O
JDBC	B-Language
,	O
JNDI	B-Language
,	O
and	O
ADSI	B-Protocol
.	O
</s>
<s>
As	O
a	O
result	O
,	O
a	O
typical	O
Novell	O
directory	O
contains	O
a	O
large	O
pool	O
of	O
additional	O
objects	O
representing	O
the	O
servers	B-Application
themselves	O
and	O
any	O
software	O
services	O
running	O
on	O
those	O
servers	B-Application
,	O
such	O
as	O
LDAP	B-Protocol
or	O
email	O
software	O
.	O
</s>
<s>
Versions	O
of	O
eDirectory	B-Application
prior	O
to	O
version	O
8	O
(	O
then	O
called	O
Novell	B-Application
Directory	I-Application
Services	I-Application
)	O
used	O
a	O
record-based	O
database	O
management	O
engine	O
called	O
Recman	O
,	O
which	O
relied	O
on	O
the	O
Transaction	O
Tracking	O
System	O
built	O
into	O
the	O
NetWare	B-Operating_System
operating	O
system	O
.	O
</s>
<s>
Since	O
version	O
8	O
,	O
eDirectory	B-Application
(	O
along	O
with	O
the	O
GroupWise	B-Operating_System
collaboration	O
suite	O
,	O
starting	O
with	O
version	O
5	O
)	O
uses	O
the	O
FLAIM	O
(	O
FLexible	O
Adaptable	O
Information	O
Management	O
)	O
database	B-General_Concept
engine	I-General_Concept
.	O
</s>
<s>
FLAIM	O
is	O
an	O
open	O
source	O
embeddable	O
database	B-General_Concept
engine	I-General_Concept
developed	O
by	O
Novell	O
and	O
released	O
under	O
the	O
GPL	B-License
license	I-License
in	O
2006	O
.	O
</s>
